From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Figa Subject: Re: [PATCH] ARM: dts: Remove vmmc-supply for mmc@12220000 on arndale-octa board Date: Fri, 25 Apr 2014 22:16:30 +0200 Message-ID: <535AC29E.8010905@gmail.com> References: <1398456672-3936-1-git-send-email-javi.merino@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ee0-f53.google.com ([74.125.83.53]:33700 "EHLO mail-ee0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754819AbaDYUQd (ORCPT ); Fri, 25 Apr 2014 16:16:33 -0400 Received: by mail-ee0-f53.google.com with SMTP id b57so3101781eek.12 for ; Fri, 25 Apr 2014 13:16:32 -0700 (PDT) In-Reply-To: <1398456672-3936-1-git-send-email-javi.merino@arm.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Javi Merino , Sachin Kamat , Kukjin Kim Cc: linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Ben Dooks Hi Javi, On 25.04.2014 22:11, Javi Merino wrote: > d726ca2d3316 (ARM: dts: Add vmmc-supply to MMC on arndale-octa board) > added the vmmc-supply to nodes mmc@12200000 and mmc@12220000 of the > DT. However, this makes the kernel fail to boot on the arndale-octa > spews: > > [ 5.060000] dwmmc_exynos 12200000.mmc: num-slots property not found, assuming 1 slot is available > [ 5.065000] platform 12200000.mmc: Driver dwmmc_exynos requests probe deferral > [ 5.075000] dwmmc_exynos 12220000.mmc: num-slots property not found, assuming 1 slot is available > [ 5.085000] platform 12220000.mmc: Driver dwmmc_exynos requests probe deferral > > And eventually hangs. Without the vmmc-supply property in the > mmc@12220000 node, the kernel boots again. > > Signed-off-by: Javi Merino > --- > > Hi, > > Note that I don't know *why* removing the property works, all I know > is that 3.15-rc2 fails to boot on my Arndale Octa unless I apply this > patch. Are you sure you have the required PMIC driver enabled in your kernel config? Best regards, Tomasz From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomasz.figa@gmail.com (Tomasz Figa) Date: Fri, 25 Apr 2014 22:16:30 +0200 Subject: [PATCH] ARM: dts: Remove vmmc-supply for mmc@12220000 on arndale-octa board In-Reply-To: <1398456672-3936-1-git-send-email-javi.merino@arm.com> References: <1398456672-3936-1-git-send-email-javi.merino@arm.com> Message-ID: <535AC29E.8010905@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Javi, On 25.04.2014 22:11, Javi Merino wrote: > d726ca2d3316 (ARM: dts: Add vmmc-supply to MMC on arndale-octa board) > added the vmmc-supply to nodes mmc at 12200000 and mmc at 12220000 of the > DT. However, this makes the kernel fail to boot on the arndale-octa > spews: > > [ 5.060000] dwmmc_exynos 12200000.mmc: num-slots property not found, assuming 1 slot is available > [ 5.065000] platform 12200000.mmc: Driver dwmmc_exynos requests probe deferral > [ 5.075000] dwmmc_exynos 12220000.mmc: num-slots property not found, assuming 1 slot is available > [ 5.085000] platform 12220000.mmc: Driver dwmmc_exynos requests probe deferral > > And eventually hangs. Without the vmmc-supply property in the > mmc at 12220000 node, the kernel boots again. > > Signed-off-by: Javi Merino > --- > > Hi, > > Note that I don't know *why* removing the property works, all I know > is that 3.15-rc2 fails to boot on my Arndale Octa unless I apply this > patch. Are you sure you have the required PMIC driver enabled in your kernel config? Best regards, Tomasz